Production and characterization of thin film from sea cucumber

Bryan Gran, Morse (2017) Production and characterization of thin film from sea cucumber. [Final Year Project Report] (Unpublished)

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Abstract

Biomaterial is a substance that is engineered to interact with any biological system and it is widely used in medical field. Nowadays, wound dressing materials are made with interesting biopolymers and fabrication techniques which are expected to have unique properties that can enhance the wound healing process. Sea cucumber also known as gamat is commonly used in traditional medicine industry due to its wound healing property. Hence, this research is made to produce biomaterial thin film from gamat. The thin films fabricated are gamat and gamat with different weight fractions of calcium carbonate, CaCO₃ (1wt%-3wt%). The technique used to produce the thin film is open moulding. The tensile properties of the biomaterial thin films from sea cucumber are then tested with universal testing machine (Testometric model M350). The tensile properties of the thin film tested are elongation at break, Young’s modulus, tensile strength and percentage of strain at break. The ASTM D882 is used to test the tensile properties of thin plastic film with thickness range less than 1.0 millimeter. The gamat thin film has the highest elongation and strain at break with 147.222±17.145 mm and 245.369±18.203 % respectively. The addition of calcium carbonate to the thin film increases the stiffness and tensile strength of the thin film. Thin film of 2 wt% CaCO₃/gamat has the highest Young’s Modulus with 326.000±21.909 kPa. Then, thin film of 3 wt% CaCO₃/gamat has the highest tensile strength property which is 936.000±65.803 kPa.

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